AIM: To study the curative efficacy of different surgical procedures in the treatment of congenital unilateral monocular oblique paralysis and its effects on binocular vision function.

METHODS: Totally 82 children of congenital unilateral monocular oblique paralysis who received therapy from May 2016 to 2019 in our hospital were selected as research objects, operative plan was determined by the degree of hyperfunction of the inferior oblique muscle, the movement of the eyeball and the vertical obliquity of the eye position, the inferior oblique muscle tendon amputation(3 cases), partial inferior oblique muscle resection(63 cases), inferior oblique muscle recession(6 cases), posterior rectus muscle repair(4 cases), inferior oblique muscle weakening+contralateral/ipsilateral rectus muscle operation(5 cases), upper oblique folding(1 cases). The effects of different surgical procedures and the changes of binocular visual function, corrected visual acuity and compensatory head position before and after surgery were compared.

RESULTS: Compared with before surgery, the fusion function, hyperstereopsis, myopia, corrected visual acuity and compensatory head position were significantly improved after operation(P<0.05); there was no significant difference in stereopsis between children with or without compensatory head position after operation(P>0.05).

CONCLUSION: Choosing different surgical methods according to the severity of congenital superior oblique paralysis has positive significance, which can improve the vision and compensating head position of children, and it's helpful to rebuild binocular vision function.